Question

if the outer angles at the 3 vertices of
triangles are (2n +30), (3x-10)
and 100. what is the value of x​

Answer 1

Answer:

x = 16

Step-by-step explanation:

(2x + 30)° + (3x + 10)° = 100°

5x + 20 = 100

5x = 80

x = 16

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